<div class="image">
    <img class="code2" src="about:blank" alt="" />
    <p style="margin-top:10px;text-align:center;">长按二维码保存到手机</p>
</div>

<style>
    .codes{
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
</style>